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The Graveyard - Products No Longer Supported => D-Link Storage => DNS-325 => Topic started by: japa-fi on February 21, 2012, 11:54:43 AM
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Is there a way to add permanent entries to crontab?
If I manually add entries to crontab, they are overwritten the next time I do something via the NAS web interface.
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/etc/NAS_CFG/config.xml contains lot of stuff, including what seems to be used to build the crontab entries
I just need to know what program uses this file as their source to build the crontab.
The xml entries from the file are:
<crond>
<list>
<count>4</count>
<name id="1">stime</name>
<name id="2">rtc</name>
<name id="3">user.log</name>
<name id="4">smart</name>
</list>
<stime>
<count>1</count>
<item id="1">
<method>3</method>
<1>30</1>
<2>2</2>
<3>*</3>
<4>*</4>
<5>*</5>
<run>/usr/sbin/stime&</run>
</item>
</stime>
<rtc></rtc>
<user.log>
<count>1</count>
<item id="1">
<method>1</method>
<1>*/10</1>
<2>*</2>
<3>*</3>
<4>*</4>
<5>*</5>
<run>/usr/sbin/rlog /var/log/user.log 800</run>
</item>
</user.log>
<smart>
<count>1</count>
<item id="1">
<method>2</method>
<1>0</1>
<2>20</2>
<3>*</3>
<4>*</4>
<5>0</5>
<run>/usr/sbin/smart_test -a -l</run>
<slot>0</slot>
</item>
</smart>
</crond>
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I've been looking for the same thing.
It looks like /usr/sbin/system_init copies the file over from /usr/local/config/ at boot so making changes and copying the file back to /usr/local/config/ should ensure it survives a reboot.
I've added an entry. Once my raid mirror has finished rebuilding I'll reboot and see if crontab survives.
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I've hacked around the problem.
I've created a text file: add_to_crontab
As I have fun_plug installed, to the startup script as the last step, I've put command:
crontab /path/to/my/file/add_to_crontab
Thus any changes I want to crontab, I edit add_to_crontab and then load that file via crontab command.
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I can confirm adding additional entries to the config.xml in /usr/local/config works.
But using a separate file as you have done is probably safer - I imagine if you mess up the config.xml then all sorts of things will go wrong.
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I can confirm adding additional entries to the config.xml in /usr/local/config works.
But using a separate file as you have done is probably safer - I imagine if you mess up the config.xml then all sorts of things will go wrong.
Would you be able to post a sample of what you inserted for the next job.
I'm pretty sure i can replicate everything except for <method>(Numericalvalue)</method> because i can't find the pattern with that line.
everything else in the .xml has a distinct pattern that could be replicated.
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I have used a method value of 1
I created an entry to call fetchmail. Added the fetchmail line in the list:
<crond>
<list>
<count>4</count>
<name id="1">stime</name>
<name id="2">rtc</name>
<name id="3">user.log</name>
<name id="4">fetchmail</name>
</list>
And then created a fetchmail entry as below:
<fetchmail>
<count>1</count>
<item id="1">
<method>1</method>
<1>*/8</1>
<2>*</2>
<3>*</3>
<4>*</4>
<5>*</5>
<run>/opt/bin/fetchmail -f /opt/etc/fetc
</item>
</fetchmail>